DETERMINATION OF CHARACTERISTICS FOR ELECTRICALLY MODULATED PNEUMATIC CONTROL VALVES USING ISOTHERMAL CHAMBERS

Authors

  • Tao Wang School of Information Technology, Beijing Institute of Technology, No.5 South Zhongguancun Street, Haidian District, Beijing 100081, China
  • Kenji Kawashima Precision and Intelligence Laboratory, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan
  • Toshiharu Kagawa Precision and Intelligence Laboratory, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan

Keywords:

pneumatic control valves, flow rate-pressure characteristics, dynamic characteristics, test bench, isothermal chamber

Abstract

In the present paper, an automatic test bench is developed for determining the main characteristics of electrically modulated pneumatic control valves using isothermal chambers. In particular, the pressure-flow rate characteristics can be obtained by simply measuring the pressure response inside the isothermal chamber during charge and discharge of air to the chamber. The proposed test bench has a shorter measurement time of only seconds and a lower air consumption as compared to the improved conventional method. Furthermore, the frequency dynamic characteristics with volume load can be measured more accurately owing to the use of an isothermal chamber as a load chamber. The high measurement efficiency and energy savings of the developed test bench are demonstrated herein.

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Author Biographies

Tao Wang, School of Information Technology, Beijing Institute of Technology, No.5 South Zhongguancun Street, Haidian District, Beijing 100081, China

Tao Wang Born in December 1971. Received his M. Sc from the Beijing Institute of Technology (China) in 1999 and Ph. D degree from Tokyo Institute of Technology (Japan) in 2006. Now he is working as an associate professor at the Beijing Institute of Technology. His primary research fields are modeling and control of pneumatic servo system and pneumatic components characteristics measurement.

Kenji Kawashima, Precision and Intelligence Laboratory, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan

Kenji Kawashima Born in July 1968. Received his Ph. D degree from the Tokyo Institute of Technology (Japan) in 1997. He is working as an associate professor at the Precision and Intelligence Laboratory of the institute. His primary research interests are robot engineering and fluid measurement and control.

Toshiharu Kagawa, Precision and Intelligence Laboratory, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan

Toshiharu Kagawa Born in November 1950. Received his M. Sc and Ph. D degree from the Tokyo Institute of Technology in Japan. He is working as a professor at the Precision and Intelligence Laboratory of the institute. His primary research interests are fluid dynamics, fluid measurement and control.

References

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Published

2007-11-01

How to Cite

Wang, T., Kawashima, K., & Kagawa, T. (2007). DETERMINATION OF CHARACTERISTICS FOR ELECTRICALLY MODULATED PNEUMATIC CONTROL VALVES USING ISOTHERMAL CHAMBERS. International Journal of Fluid Power, 8(3), 5–11. Retrieved from https://journals.riverpublishers.com/index.php/IJFP/article/view/533

Issue

2007: Vol 08 Iss 3

Section

Original Article